The residualpolarization degree of the depolarizer is calculated with matrix optical theory and a good depolarization condition is obtained.
应用矩阵光学理论计算了该消偏器的剩余偏振度，并得到了消偏条件。
2
The residualpolarization degree of depolarizer is calculated with the matrix optical theory and some factors effecting the depolarizing performance is obtained.
应用矩阵光学推导出了这种紫外石英消偏器的残余偏振度，并得到影响其消偏性能的几个因素。
3
Therefore it is necessary to investigate the influences of the facet residual reflectivity and the nonlinear polarization rotation on the characteristics of mode-locked ring lasers based on SOA.